Why does a split petrol forms a slick on top of water

How many electrons are located in the 2p sublevel in a ground-state nitrogen atom? 3 5 6 7

What semimetal can form four single covalent bonds.

Which of the following statements describes electromagnetism?

If 10.3 g of Mg3N2 is treated with water, what volume of gas would be collected at STP

What are some examples of kitchen chemistry

Which element has atoms that can form single, double, and triplecovalent bonds with other atoms of the same element? (1) hydrogen (3) fluorine (2) oxygen (4) carbon

Which of the following statements best describes the basic structure of an atom? Electrons and protons are in motion around a nucleus that contains neutrons Neutrons are in motion around a nucleus that contains protons and electrons Protons are in

Which of the following elements is released into the atmosphere by all of these processes: volcanic outgassing, animal respiration and flatulence, burning of fossil fuels, and metamorphism of limestone? a. Carbon. b. Nitrogen. c. Oxygen. d. Sulfur

A phase change from a solid to a gas is called what

What is the meaning of semipermeability?